The full stack trace of the root cause is available in the Apache Tomcat/6.0

[ddx1988good]

HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

java.lang.NullPointerException
ZC.UserAdd.doPost(UserAdd.java:117)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


note The full stack trace of the root cause is available in the Apache Tomcat/6.0.13 logs.


--------------------------------------------------------------------------------

Apache Tomcat/6.0.13

[飞跃颠峰]

UserAdd.java的117行出现空指针引用

[寒江]

楼上正解。